Merge pull request #7758 from hvr/patch-1

Adding hvr as co-maintainer to docker-haskell

library/haskell

@@ -1,5 +1,6 @@
 Maintainers: Peter Salvatore <[email protected]> (@psftw),
-             Christopher Biscardi <[email protected]> (@ChristopherBiscardi)
+             Christopher Biscardi <[email protected]> (@ChristopherBiscardi),
+             Herbert Valerio Riedel <[email protected]> (@hvr)
 GitRepo: https://github.com/haskell/docker-haskell
 
 Tags: 8.8.3, 8.8, 8, latest